Kansas City International in June 2026

72.6%departed on time

BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report.

In June 2026, reporting carriers scheduled 4,581 domestic departures from Kansas City International (MCI). 72.6% left less than 15 minutes late and 75.5% reached their destination on time; 1.2% were cancelled.

Nationally that month, 72.2% of flights departed on time and 72.8% arrived on time, so MCI departures were level with the national departure figure.

A year earlier, in June 2025, the airport had 4,395 departures with 72.8% leaving on time: a change of −0.2 points, with flights up 4%.

Flights arriving at MCI that month were on time 69.2% of the time (4,582 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 47%, air carrier 25% and national aviation system 23%.

On time 75.5%
Arrived 15+ minutes late 22.9%
Cancelled 1.2%
Diverted 0.3%

Every scheduled departure from MCI in June 2026, judged by arrival at the destination.

June 2026 against a year earlier, the airport's year and the nation

Measure	Jun 2026	Jun 2025	MCI, 12 months to Jul 2026	All reported flights, Jun 2026
Departed on time	72.6%	72.8%	77.8%	72.2%
Arrived on time	75.5%	70.8%	78.7%	72.8%
Cancelled	1.2%	1.3%	1.5%	1.6%
Average departure delay (late minutes only)	19.3 min	21.9 min	15.7 min	20.6 min
Scheduled departures a day	153	147	135	20,253
Scheduled departures	4,581	4,395	49,298	607,577

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
WN Southwest Airlines	2,169	47%	69.7%	12.1 min	0.4%
DL Delta Air Lines	739	16%	87.3%	-6.0 min	0.5%
UA United Airlines	438	10%	77.9%	13.5 min	2.7%
AA American Airlines	425	9%	80.7%	8.6 min	1.4%
OO SkyWest Airlines	308	7%	76.9%	9.9 min	1.9%
OH PSA Airlines	139	3%	66.9%	26.6 min	10.1%
AS Alaska Airlines	119	3%	89.9%	-5.4 min	0.0%
YX Republic Airline	112	2%	73.2%	11.8 min	4.5%
F9 Frontier Airlines	47	1%	72.3%	19.5 min	0.0%
MQ Envoy Air	43	1%	86.0%	6.1 min	2.3%
G4 Allegiant Air	42	1%	64.3%	22.5 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
MCI–DEN	Kansas City to Denver	420	75.2%	12.0 min	0.7%
MCI–ORD	Kansas City to Chicago	375	73.3%	20.9 min	4.3%
MCI–ATL	Kansas City to Atlanta	283	85.9%	-4.3 min	0.4%
MCI–DFW	Kansas City to Dallas/Fort Worth	222	65.3%	25.5 min	6.8%
MCI–MDW	Kansas City to Chicago	195	72.3%	8.5 min	1.0%
MCI–PHX	Kansas City to Phoenix	183	78.1%	7.2 min	0.5%
MCI–LGA	Kansas City to New York	172	74.4%	3.6 min	1.7%
MCI–DAL	Kansas City to Dallas	167	62.9%	15.5 min	2.4%
MCI–DCA	Kansas City to Washington	164	70.1%	26.2 min	3.0%
MCI–LAS	Kansas City to Las Vegas	158	73.4%	6.8 min	0.0%
MCI–LAX	Kansas City to Los Angeles	150	82.0%	4.0 min	0.0%
MCI–AUS	Kansas City to Austin	128	71.1%	8.7 min	0.8%

By scheduled departure hour

On-time share:under 62%6270768288% and over

Share of departures that left less than 15 minutes late, by scheduled hour (local time), June 2026.

Delay causes

BTS cause category	Share of delay minutes	National, Jun 2026	Minutes
Air carrier	25.4%	30.8%	19,351
Late-arriving aircraft	47.1%	42.1%	35,939
National Aviation System	22.5%	20.3%	17,133
Extreme weather	4.5%	6.7%	3,462
Security	0.5%	0.1%	398

76,283 delay minutes on 1,051 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.

Questions and answers

How many flights left MCI on time in June 2026?

72.6% of 4,581 scheduled domestic departures left less than 15 minutes late, and 75.5% reached their destination on time. The national figures that month were 72.2% and 72.8%.

How does that compare with a year earlier?

In June 2025, 72.8% of 4,395 departures left on time and 1.3% were cancelled, against 72.6% and 1.2% in June 2026.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for June 2026; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for MCI · methodology · corrections.